Only trigger test gate when publishing

Author: hugovk

.github/workflows/publish.yml

@@ -36,6 +36,12 @@ jobs:
 
   test-package:
     name: Test package
+    if: |
+      github.repository_owner == 'python'
+      && (
+        (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/'))
+        || github.event.action == 'published'
+      )
     needs: build-package
     uses: ./.github/workflows/tests.yml